Liftoff Time Adjusted: 4:44 a.m. EDT

Orbital ATK is targeting the end of this morning’s 5-minute launch window, to allow additional time for weather clear-out. Launch of the company’s Antares rocket with Cygnus cargo spacecraft is set for 4:44 a.m. EDT from Virginia Space’s Mid-Atlantic Regional Spaceport at NASA’s Wallops Flight Facility on Virginia’s Eastern Shore.

Credit: NASA TV